public static DateTime?GetLastTradeDate()
{
DateTime start = DateTime.Today.AddDays(-30);
DateTime end = DateTime.Today;
string csv = WebGet(
string.Format(_EOD_URL_FMT,
HttpUtility.UrlEncode(_INDEX_SYMBOL_FOR_LAST_TRADE),
(start.Month - 1).ToString("00"),
start.Day,
start.Year,
(end.Month - 1).ToString("00"),
end.Day,
end.Year));
if (string.IsNullOrEmpty(csv))
{
return(null);
}
string[] lines =
csv.Split(new string[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
List <Eod> indexEodLast30Days =
lines.Select(l => InternetParser.ParseEod(l, _INDEX_SYMBOL_FOR_LAST_TRADE)).Where(e => e != null).ToList();
return(indexEodLast30Days.Max(e => e.Date));
}
public static List <Company> ReadCompaniesByExchange(string exchange)
{
string csv = WebGet(
string.Format(_COMPANY_URL_FMT, exchange));
string[] lines =
csv.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
return(lines.Select(l => InternetParser.ParseCompany(l, exchange)).Where(c => c != null).ToList());
}
public static List <Eod> ReadEodBySymbol(EodParam param)
{
if (param.Start >= param.End)
{
return(new List <Eod>());
}
string csv = WebGet(
string.Format(_EOD_URL_FMT,
HttpUtility.UrlEncode(param.Symbol),
(param.Start.Month - 1).ToString("00"),
param.Start.Day,
param.Start.Year,
(param.End.Month - 1).ToString("00"),
param.End.Day,
param.End.Year));
string[] lines =
csv.Split(new string[] { "\n" }, StringSplitOptions.RemoveEmptyEntries);
return(lines
.Select(l => InternetParser.ParseEod(l, param.Symbol))
.Where(e => (e != null && e.Date != param.Start)).ToList());
}
